CN114182886B - Multifunctional adjusting steel bar connector for assembly type building and adjusting method - Google Patents

Abstract

The invention discloses a multifunctional adjusting steel bar connector for an assembly type building and an adjusting method, belonging to the technical field of assembly type building engineering; the technical scheme is as follows: the connector consists of a length adjusting section, an eccentric adjusting section and a corner adjusting section; the adjusting method comprises the following steps: s1: connecting the threaded sleeve I with a first reinforcing steel bar through a thread groove formed in the inner wall of the threaded sleeve I; s2: rotating the worm to adjust the eccentric error of the steel bar within a certain range; s3: rotating the pin type fastening device to adjust the distance deviation of the steel bar within a certain range; s4: rotating the threaded sleeve II to adjust the corner error of the steel bar within a certain range; s5: and a thread groove formed in the inner wall of the threaded sleeve III is in threaded connection with the second reinforcing steel bar. The invention has the beneficial effects that: this connector possesses the deviation regulatory function of certain limit, and both ends screw sleeve all can rotate relatively, and the steel bar joint also can realize convenient installation under the unable circumstances of removing.

Description

A multifunctional adjustable steel bar connector for prefabricated buildings and its adjustment method

technical field

The invention relates to the technical field of prefabricated building engineering, in particular to a multifunctional adjustable steel bar connector and an adjusting method for a prefabricated building.

Background technique

Prefabricated building is a building system that is vigorously developed and promoted in my country at present. It is a building assembled on site through factory production. Prefabricated buildings can effectively reduce environmental pollution in engineering construction and save a lot of labor, which is in line with my country's development goal of "resource-saving and environment-friendly".

The steel bar connection of the existing prefabricated building structure is mainly divided into wet connection and dry connection. Among them, the wet connection is mainly based on the sleeve grouting, but the sleeve grouting has problems such as the difficulty of controlling the grouting quality, and the grouting process requires complex manual operations. Dry connection mainly includes bolt connection, mechanical connection, etc. In actual construction, due to the deviation of the relative position of the reserved steel bars of prefabricated components, it is easy to cause problems such as misalignment of steel bars between prefabricated concrete components and different spacing lengths. Some steel bar connectors do not have a certain deviation adjustment function, and the steel bar connection with positioning deviation cannot be realized, which brings great inconvenience to the actual construction.

How to solve the above technical problems is the subject of the present invention.

Contents of the invention

In order to solve the above technical problems, the present invention provides a prefabricated building multifunctional adjustable steel bar connector and an adjustment method. The connector has a certain deviation adjustment range function, and the threaded sleeves at both ends can rotate relatively, and the steel bar joint It can also be installed conveniently even when it cannot be moved, and solves the problems of misalignment and different lengths of steel bars between prefabricated concrete components used in building construction.

The present invention is achieved through the following measures, a multifunctional adjustable steel bar connector for prefabricated buildings, wherein the connector is composed of a length adjustment section, an eccentric adjustment section and a rotation angle adjustment section;

The length adjustment section includes a threaded sleeve I connected to a butt end of the steel bar, a length-adjusting screw and a pin-type fastening device;

The eccentric adjustment section includes a worm-type sliding device, a guide limiter and a worm-like screw;

The angle adjusting section includes a double lug plate, a pin-type adjusting rod, a threaded sleeve II, a rotating double lug plate, a single lug plate, a conversion plate and a threaded sleeve III connecting the second correction end of the steel bar.

Further, the outside of the length-adjusting screw is provided with threads, which are threadedly connected with the threaded sleeve I, and both the length-adjusting screw and the outside of the threaded sleeve I are reserved with pin holes of a pin-type fastening device, which can be tightened by rotating the pin. The fixing device adjusts the protruding length of the length-adjusting screw rod, and is used for arbitrarily adjusting the overall length of the connector within a certain range.

Further, the sliding part of the worm-type sliding device is built in the slide groove of the guide limiter, and the end of the worm-type sliding device is provided with an oblique thread that matches the worm-like screw, and the The worm-like screw is built into the guide limiter, and the eccentric distance of the connector can be adjusted arbitrarily within a certain range by rotating the worm-like screw.

Further, the rotating double ear plate is connected to the single ear plate through a pin shaft.

The double ear plate is composed of double ear plate I and double ear plate II.

The pin-type adjusting rod is composed of a pin-type adjusting rod I and a pin-type adjusting rod II.

The double ear plate I is connected to the pin-type adjusting rod I through a pin shaft, the pin-type adjusting rod I is connected to the pin-type adjusting rod II through a threaded sleeve II, and the pin-type adjusting rod II is connected to the double ear plate II. Through pin connection, the double lug plate II is located on the same side of the angle adjustment section as the single lug plate, and is connected with the conversion plate to rotate the threaded sleeve II to fix the gap between the pin type adjustment rod I and the pin type adjustment rod II. The relative distance is used to adjust the corner angle between the rotating double ear plate and the single ear plate, which is used for adjusting the corner angle of any connector within a certain range.

Further, the pin-type fastening device is composed of a fixed pin I, a fixed pin II, a limit screw, a rotating pin and a connecting chain. The fixed pin I and the fixed pin II are pin rods with threaded holes at the ends, so Both ends of the limit screw are threaded, and are equipped with limit nuts to prevent the sliding of the fixed pin Ⅰ and the fixed pin II. There is a connecting hole in the middle of the limit screw, and the connecting chain is composed of a chain and a buckle. , the fixed pin I, the fixed pin II, the limit screw, and the rotating pin are connected by a connecting chain to form a combined component. When the length of the connector needs to be adjusted, first rotate the fixed pin Ⅰ, fixed pin Ⅱ to adjust to a suitable size, then pin the fixed pin Ⅰ, fixed pin Ⅱ, and rotating pin into the reserved pin hole, and rotate the rotating pin to adjust the connector Length; when lengthening is not required, the pin fastening device can be taken out for use by other connectors.

Further, one end of the worm-type sliding device is a sleeve with an internal thread, and the other end is a sliding part with an oblique thread.

Further, there are holes on the outside of the threaded sleeve I and the length-adjusting screw, when the connector needs to be lengthened, the pin-type fastening device can be inserted, and when the length does not need to be adjusted, it can be pulled out for use by other connectors .

Further, the cross-sectional shape of the chute of the guide limiter is consistent with the cross-sectional shape of the sliding part of the worm-type sliding device, and the cross-sectional size of the chute of the guide-limiter is smaller than that of the sliding part of the worm-type sliding device. The cross-sectional size of the component is slightly larger, and the inside of the guide limiter is also provided with a concave slide groove.

Further, one end of the pin-type adjusting rod is an ear plate, and the other end is a screw rod with external threads, the thread at the end of the pin-type adjusting rod I is a normal thread, and the thread at the end of the pin-type adjusting rod II is a reverse thread. Silk.

In order to better achieve the purpose of the above invention, the present invention also provides a method for adjusting the multifunctional adjustable steel bar connector for prefabricated buildings, which specifically includes the following steps:

S1: First thread the threaded sleeve Ⅰ through the threaded groove provided on the inner wall of the threaded sleeve Ⅰ and the steel bar 1 to be threaded;

S2: Then rotate the worm, the sliding part at the end of the worm sliding device can drive the worm sliding device to slide in the chute of the guide limiter, and then realize that the threaded sleeve III can be independent of the threaded sleeve I Rotation, thereby realizing the adjustment of the eccentric distance of the steel bar within a certain range;

S3: Then first rotate the fixed pin Ⅰ and fixed pin Ⅱ to adjust them to the appropriate size, then pin the fixed pin Ⅰ, fixed pin Ⅱ and rotating pin into the reserved pin holes, and rotate the rotating pin to adjust the length of the connector; When the length adjustment is not needed, the pin-type fastening device is taken out, and then the distance deviation adjustment of the steel bar within a certain range is realized;

S4: Then turn the threaded sleeve Ⅱ to fix the relative distance between the pin-type adjusting rod Ⅰ and the pin-type adjusting rod Ⅱ, and then adjust the angle of rotation between the double lug plate and the single lug plate to realize any connector within a certain range corner angle adjustment;

S5: Finally, the threaded sleeve III is precisely positioned, and threaded connection is made with the second steel bar through the threaded groove provided on the inner wall of the threaded sleeve III.

When the present invention is actually used: first thread the threaded sleeve I through the thread groove provided on the inner wall of the threaded sleeve I and the steel bar I to be threaded, and then rotate the worm to drive the worm sliding device to slide, and then realize that the threaded sleeve III can Rotate independently with respect to the threaded sleeve I to realize the adjustment of the eccentric distance of the steel bar within a certain range, and then adjust the extension length of the length-adjusting screw by rotating the pin type fastening device to realize the adjustment of the distance deviation of the steel bar within a certain range, and then through the rotation The threaded sleeve II, so that the threaded sleeve III can rotate independently again relative to the threaded sleeve I, and further realize the precise positioning of the threaded sleeve III, and threaded connection with the second steel bar through the threaded groove set on the inner wall of the threaded sleeve III , so as to realize effective fixed connection when the reserved steel bar cannot be rotated.

Compared with prior art, the beneficial effect of the present invention is:

1. The present invention is provided with threaded sleeve I, length-adjusting screw, pin-type fastening device, worm-type sliding device, guide limiter, worm-like screw, double ear plate, threaded sleeve II, rotating double ear plate, single The joint use of lug plate, pin-type adjusting rod, conversion plate and threaded sleeve III solves the problem of the existing reinforcement connectors between prefabricated concrete components used in building construction. Because precast concrete components cannot be moved during assembly, conventional threaded sleeves The steel bars at both ends cannot be conveniently connected, and there is a certain position deviation in the joints of the two ends of the steel bars, and the existing threaded sleeve cannot be connected.

2. In the present invention, the length-adjusting section of the connector is formed by setting the threaded sleeve I and the length-adjusting screw, and by adjusting the extension length of the length-adjusting screw, the overall length of the connector can be adjusted within a certain range.

3. In the present invention, the eccentric adjustment section of the connector is composed of a worm-type sliding device, a guide limiter, and a worm-like screw, and the eccentric distance of the connector can be adjusted arbitrarily within a certain range by rotating the worm-like screw.

4. In the present invention, the connector angle adjustment section is composed of a double ear plate, a pin-type adjustment rod, a rotating double ear plate, a single ear plate, a threaded sleeve II and a conversion plate, and the rotating threaded sleeve II can be adjusted arbitrarily within a certain range The corner angle of the connector.

5. By setting the pin-type fastening device in the present invention, when the length of the connector needs to be adjusted, the adjustable pin I, adjustable pin II, and rotating pin are inserted into the reserved pin holes, and the rotating pin is rotated to adjust the length of the connector; When the length adjustment is not needed, the pin-type fastening device can be taken out for use by other connectors, which makes the length adjustment operation of the connector more convenient.

6. The connector of the present invention is mainly a steel bar connector between prefabricated concrete components for building construction. By setting threaded sleeve I, worm-type sliding device, guide limiter, worm-like screw, double ear plate, pin-type The combination of adjusting rod, threaded sleeve II, rotating double ear plate, single ear plate, conversion plate, threaded sleeve III, pin type fastening device, and length-adjusting screw solves the problem of reinforcing bars between prefabricated concrete components used in building construction. The threaded sleeve of the connector cannot be rotated relatively, and there is no problem of a certain deviation adjustment function.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the description, and are used together with the embodiments of the present invention to explain the present invention, and do not constitute a limitation to the present invention.

Figure 1 is an overall schematic diagram of the connection between a connector and a steel bar in the present invention.

Fig. 2 is a partial structural schematic diagram of the pin type fastening device in the present invention.

Fig. 3 is a schematic diagram of the worm-type sliding device in the present invention.

Fig. 4 is a schematic diagram of a worm-like screw in the present invention.

Fig. 5 is a schematic diagram of the guide limiter and the upper half of the angle adjustment section in the present invention.

Fig. 6 is a schematic diagram of a pin-type adjusting rod and a threaded sleeve in the present invention.

Fig. 7 is a schematic diagram of the lower half of the turning angle adjustment section in the present invention.

Fig. 8 is a schematic diagram of a steel bar in the present invention.

Fig. 9 is a schematic diagram of the sliding part at the end of the worm sliding device in the present invention.

Fig. 10 is a schematic diagram of the double ear plate in the present invention.

Fig. 11 is a schematic diagram of a pin-type adjusting rod in the present invention.

Fig. 12 is an overall schematic diagram of the pin type fastening device in the present invention.

Wherein, reference signs are: 1, steel bar; 1-1, steel bar one; 1-2, steel bar two;

2. Threaded sleeve Ⅰ; 3. Worm type sliding device; 4. Guide limiter; 5. Worm-like screw; 6. Double ear plate; ;7. Pin-type adjusting rod; 7-1. Pin-type adjusting rod I; 7-2. Pin-type adjusting rod II; 8. Threaded sleeve II; 9. Rotating double ear plate; 10. Single ear plate; 11. Conversion plate; 12, threaded sleeve III; 13, pin fastening device; 13-1, fixed pin I; 13-2, fixed pin II; 13-3, limit screw; 13-4, rotating pin 13- 4; 13-5, connecting chain; 14, lengthening screw rod.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts fall within the protection scope of the present invention.

As shown in Figures 1 to 12, the present invention provides a prefabricated building multifunctional adjustable steel bar connector, including a steel bar 1 that needs to be corrected and docked by a steel bar 1-1 and a steel bar 2 1-2, and a steel bar 1-1 The left side of the threaded sleeve I2 is threadedly connected to the threaded sleeve I2, and the left side of the threaded sleeve I2 is threaded with a length-adjusting screw 14, and the left side of the length-adjusting screw 14 is threaded with a worm sliding device 3, and the left side of the worm sliding device 3 is clamped. Connected to the chute of the guide limiter 4, the worm-like screw 5 is built in the guide limiter 4, the upper left side of the guide limiter 4 is provided with double ear plate Ⅰ6-1, and the lower part of the left side of the guide limiter 4 is provided with Turn the double ear plate 9, the double ear plate I6-1 is connected to the pin type adjustment rod I7-1 through the pin shaft, the rotating double ear plate 9 is connected to the single ear plate 10 through the pin shaft, the pin type adjustment rod I7-1 is connected to the pin type adjustment rod Ⅱ7-2 is connected through the threaded sleeve Ⅱ8, the pin-type adjusting rod Ⅱ7-2 is clamped with the double ear plate II6-2 through the pin shaft, the left side of the double ear plate II6-2 and the single ear plate 10 is connected with the conversion plate 11, and the conversion The left side of the plate 11 is connected with a threaded sleeve III12, and the threaded sleeve III12 is connected with a steel bar 1-2.

Referring to FIG. 1 , the length-adjusting screw 14 is provided with threads on the outside, and is threadedly connected with the threaded sleeve I2, and the outside of the length-adjusting screw 14 and the threaded sleeve I2 are reserved with pin holes of the pin-type fastening device 13 .

Preferably, by rotating the pin type fastening device 13 to adjust the protruding length of the length-adjusting screw 14, the overall length of the connector can be adjusted arbitrarily within a certain range.

Preferably, referring to Fig. 2, the pin type fastening device 13 is composed of a fixed pin I 13-1, a fixed pin II 13-2, a limit screw 13-3, a rotating pin 13-4 and a connecting chain 13-5, the fixed pin Ⅰ13-1, fixing pin Ⅱ13-2 are pin rods with threaded holes at the end, and the two ends of the limit screw 13-3 are threaded, and are equipped to prevent the fixing pin Ⅰ13-1, fixing pin Ⅱ13-2 from slipping out The limit nut, the limit screw 13-3 is provided with a connection hole in the middle, the connection chain 13-5 is composed of a chain and a buckle, the fixed pin I13-1, the fixed pin II13-2, the limit The screw rod 13-3 and the rotating pin 13-4 are connected by the connecting chain 13-5 as a combined member.

Preferably, when the length of the connector needs to be adjusted, the fixed pin I13-1 and the fixed pin II13-2 are first rotated to adjust to a suitable size, and then the fixed pin I13-1, the fixed pin II13-2 and the rotating pin 13-4 are pinned Insert it into the reserved pin hole, and rotate the rotating pin 13-4 to adjust the length of the connector; when the length does not need to be adjusted, the pin type fastening device 13 can be taken out for use by other connectors.

Preferably, referring to Fig. 1 and Fig. 3, the cross-sectional shape of the chute on the right side of the guide limiter 4 is consistent with the cross-sectional shape of the sliding part of the worm sliding device 3, and the cross-sectional size of the chute of the guide limiter 4 is larger than that of the worm-type sliding device. The cross-sectional size of the sliding part of the shifting device 3 is slightly larger.

Preferably, by arranging slide rails in the guide limiter 4, the position of the worm sliding device 3 can be relatively slid, which is more flexible.

Preferably, referring to FIG. 3 and FIG. 4 , one end of the worm sliding device 3 is a sleeve with an internal thread, and the other end is a slider with an oblique thread matching the worm-like screw 5 .

Preferably, by setting the worm-like screw 5 and the worm-type sliding device 3 , when the connector needs to adjust the eccentric distance, the relative position of the worm-type sliding device 3 can be adjusted by rotating the worm-like screw 5 .

Preferably, referring to Fig. 5, Fig. 6 and Fig. 7, the rotating double lug plate 9 is connected with the single lug plate 10 through a pin shaft, and the double lug plate I6-1 is connected with the pin type adjustment rod I7-1 through a pin shaft, and the pin type adjustment rod Ⅰ7-1 is connected with the pin-type adjusting rod II7-2 through the threaded sleeve II8, the pin-type adjusting rod II7-2 is connected with the double ear plate II6-2 through the pin shaft, and the double ear plate II6-2 is connected with the side of the single ear plate 10 The conversion board 11 is connected.

The above scheme is adopted: by setting the double ear plate II6-2, the pin type adjustment rod 7, the rotating double ear plate 9, the single ear plate 10, the threaded sleeve II 8, and the conversion plate 11 to form the connector angle adjustment section, and the rotating threaded sleeve II 8 , the relative distance between the pin-type adjustment rod Ⅰ7-1 and the pin-type adjustment rod Ⅱ7-2 can be adjusted, and then the angle of rotation between the double ear plate Ⅱ8 and the single ear plate 10 can be adjusted, and finally any connector within a certain range can be realized. Corner angle adjustment.

The working principle of the present invention: when in use, first thread the threaded sleeve I2 through the thread groove provided on the inner wall of the threaded sleeve I and the steel bar 1-1 to be threaded, and then rotate the worm 5 to drive the worm sliding device 3 Sliding, and then realize that the threaded sleeve III12 can rotate independently relative to the threaded sleeve I2, and then realize the adjustment of the eccentric distance of the steel bar within a certain range, and then adjust the extension length of the length-adjusting screw 14 by rotating the pin type fastening device 13, and then The distance deviation adjustment of the steel bar within a certain range is realized, and then by rotating the threaded sleeve Ⅱ8, the threaded sleeve Ⅲ12 can be independently rotated again relative to the threaded sleeve Ⅰ2, and further accurate positioning of the threaded sleeve Ⅲ12 is realized. The thread groove provided on the inner wall of the sleeve III12 is threadedly connected with the steel bar, thereby realizing an effective fixed connection when the reserved steel bar cannot be rotated.

In addition, the present invention also provides a multi-functional adjustable steel bar connector for prefabricated buildings and an adjustment method, which specifically includes the following steps:

S1: First thread the threaded sleeve I2 through the threaded groove provided on the inner wall of the threaded sleeve I and the steel bar 1-1 for threaded connection;

S2: Then the worm 5 is rotated to drive the worm sliding device 3 to slide, so that the threaded sleeve III12 can rotate independently relative to the threaded sleeve I2, thereby realizing the adjustment of the eccentric distance of the steel bar within a certain range;

S3: Then first rotate the fixed pin Ⅰ13-1, the fixed pin Ⅱ13-2 to adjust to the appropriate size, then pin the fixed pin Ⅰ13-1, the fixed pin Ⅱ13-2, and the rotating pin 13-4 into the reserved pin holes, and rotate The length of the connector can be adjusted by turning the pin 13-4; when the length adjustment is not needed, the pin fastening device 13 can be taken out, thereby realizing the adjustment of the distance deviation of the steel bars within a certain range

S4: Then turn the threaded sleeve Ⅱ8 to fix the relative distance between the pin-type adjusting rod Ⅰ7-1 and the pin-type adjusting rod Ⅱ7-2, and then adjust the angle of rotation between the double-ear plate 9 and the single-ear plate 10 to realize Angle adjustment of any connector within a certain range;

S5: Finally, the threaded sleeve III12 is positioned, and the threaded groove provided on the inner wall of the threaded sleeve III12 is threadedly connected with the steel bar.

To sum up, the steel bar connector between the prefabricated concrete components used in this building construction is provided with threaded sleeve I2, worm slip device 3, guide limiter 4, worm-like screw 5, double ear plate 6, pin Adjusting rod 7, threaded sleeve Ⅱ 8, rotating double ear plate 9, single ear plate 10, conversion plate 11, threaded sleeve Ⅲ 12, pin type fastening device 13, and length-adjusting screw 14 are used together to solve the problem of building construction. The threaded sleeves of the steel bar connectors between the prefabricated concrete components cannot be rotated relative to each other, and there is no problem of a certain deviation adjustment function.

The above descriptions are only preferred embodiments of the present application, and are not intended to limit the present application. For those skilled in the art, there may be various modifications and changes in the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of this application shall be included within the protection scope of this application.

Claims (1)

1. A prefabricated building multi-functional adjustable steel bar connector, characterized in that: the connector is composed of a length adjustment section, an eccentric adjustment section and a corner adjustment section; The length adjustment section includes a threaded sleeve I (2), a length-adjusting screw (14) and a pin-type fastening device (13) connected to the butt end of the steel bar one (1-1); The eccentric adjustment section includes a worm-type sliding device (3), a guide limiter (4) and a worm-like screw (5); The angle adjustment section includes a double ear plate (6), a pin type adjustment rod (7), a threaded sleeve II (8), a rotating double ear plate (9), a single ear plate (10), a conversion plate (11) and Connect the threaded sleeve III (12) with the correction end of the steel bar two (1-2); The outside of the length-adjusting screw (14) is provided with threads, which are threadedly connected with the threaded sleeve I (2), and the outside of the length-adjusting screw (14) and the threaded sleeve I (2) are both reserved with pin-type fastening devices (13) through the pin hole of the rotating pin type fastening device (13) to adjust the extension length of the length-adjusting screw (14); The sliding part of the worm-type sliding device (3) is built in the chute of the guide limiter (4), and the end of the worm-type sliding device (3) is provided with a worm-like (5) Matching oblique threads, the worm (5) is built into the guide limiter (4); The pin-type fastening device (13) consists of a fixed pin I (13-1), a fixed pin II (13-2), a limit screw (13-3), a rotating pin (13-4) and a connecting chain (13 -5), the fixed pin I (13-1) and the fixed pin II (13-2) are pin rods with threaded holes at the ends, and the two ends of the limiting screw (13-3) are threaded, It is also equipped with a limit nut to prevent the fixed pin I (13-1) and fixed pin II (13-2) from slipping out. The limit screw (13-3) is provided with a connecting hole in the middle, and the connecting chain ( 13-5) It is composed of a chain and a buckle. The fixed pin I (13-1), the fixed pin II (13-2), the limit screw (13-3), and the rotating pin (13-4) are connected by the connecting chain (13-5) Connected into a combined component; One end of the worm sliding device (3) is a sleeve with an internal thread, and the other end is a sliding part with an oblique thread; The cross-sectional shape of the chute of the guide limiter (4) is consistent with the cross-sectional shape of the sliding part of the worm-type sliding device (3), and the cross-sectional size of the chute of the guide limiter (4) is larger than that of the worm-type sliding device (3). The cross-sectional size of the sliding part of the sliding device (3) is slightly larger, and the inside of the guide limiter (4) is also provided with a concave chute; The rotating double ear plate (9) is connected with the single ear plate (10) through a pin shaft; The double ear plate (6) is composed of double ear plate I (6-1) and double ear plate II (6-2); The pin-type adjusting rod (7) is composed of pin-type adjusting rod I (7-1) and pin-type adjusting rod II (7-2); The double ear plate I (6-1) is connected with the pin-type adjusting rod I (7-1) through a pin shaft, and the pin-type adjusting rod I (7-1) and the pin-type adjusting rod II (7-2) Connected through threaded sleeve II (8), the pin-type adjusting rod II (7-2) is connected to the double ear plate II (6-2) through a pin shaft, and the double ear plate II (6-2) is connected to the single The ear plate (10) is located on the same side of the corner adjustment section and is connected to the conversion plate (11); One end of the pin-type adjusting rod (7) is an ear plate, and the other end is a screw rod with external threads. (7-2) The thread at the end is anti-wire; The method for adjusting the multifunctional adjustable steel bar connector for prefabricated buildings is characterized in that it includes the following steps: S1: First thread the threaded sleeve Ⅰ (2) through the threaded groove provided on the inner wall of the threaded sleeve Ⅰ (2) and the steel bar 1 (1-1) for threaded connection; S2: Immediately after step S1, the rotating worm (5) drives the worm sliding device (3) to slide, and the threaded sleeve III (12) rotates independently relative to the threaded sleeve I (2), which is used for the reinforcement within a certain range Eccentric distance adjustment; S3: First rotate the fixed pin Ⅰ (13-1), fixed pin Ⅱ (13-2), adjust to the appropriate size, and then install the fixed pin Ⅰ (13-1), fixed pin Ⅱ (13-2), rotating pin ( 13-4) Pin it into the reserved pin hole, and rotate the pin (13-4) to adjust the length of the connector; when it is not necessary to adjust the length, the pin fastening device (13) can be taken out for the distance of the steel bar within a certain range deviation adjustment; S4: Then turn the threaded sleeve II (8) to fix the relative distance between the pin-type adjusting rod I (7-1) and the pin-type adjusting rod II (7-2), and then adjust the rotating double ear plate (9) and The corner angle between the single lugs (10) realizes the adjustment of the corner angle of any connector within a certain range; S5: Locate the threaded sleeve III (12), and thread the steel bar 2 (1-2) through the threaded groove provided on the inner wall of the threaded sleeve III (12).

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